IMPPP / Imperial Petroleum Inc. - Preferred Stock - Документы SEC, Годовой отчет, Доверенное заявление

Imperial Petroleum Inc. — Привилегированные акции
US ˙ NasdaqCM ˙ MHY3894J1120

Основная статистика
LEI 549300ZKLCVJXKUHBS50
CIK 1876581
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Imperial Petroleum Inc. - Preferred Stock
SEC Filings (Chronological Order)
На этой странице представлен полный хронологический список документов SEC, за исключением документов о собственности, которые мы предоставляем в других местах.
September 5, 2025 EX-99.1

IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. REPORTS SECOND QUARTER AND SIX MONTHS 2025 FINANCIAL AND OPERATING RESULTS

EX-99.1 Exhibit 99.1 IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. REPORTS SECOND QUARTER AND SIX MONTHS 2025 FINANCIAL AND OPERATING RESULTS ATHENS, GREECE, September 5, 2025 - IMPERIAL PETROLEUM INC. (NASDAQ: IMPP; the “Company”), a ship-owning company providing petroleum products, crude oil and dry bulk seaborne transportation services, announced today its unaudited financial and operating re

September 5, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2025 Commission File Number 001-4

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2025 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue, Erithrea 14561 Athens, Greece (Address of princ

August 29, 2025 EX-99.2

THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

EX-99.2 Exhibit 99.2   VOTE BY INTERNET - www.proxyvote.com or scan the QR Barcode above IMPERIAL PETROLEUM INC. 331 KIFISSIAS AVE. 14561 ATHENS, GREECE Use the Internet to transmit your voting instructions and for electronic delivery of information up until 11:59 p.m. Eastern Time the day before the cut-off date or meeting date. Have your proxy card in hand when you access the web site and follow

August 29, 2025 EX-99.1

IMPERIAL PETROLEUM INC. 331 Kifissias Avenue Kifissia 14561 Athens, Greece

EX-99.1 Exhibit 99.1 IMPERIAL PETROLEUM INC. 331 Kifissias Avenue Kifissia 14561 Athens, Greece August 29, 2025 Dear Stockholder: You are cordially invited to attend the 2025 Annual Meeting of Stockholders of Imperial Petroleum Inc., which will be held on Monday, October 13, 2025 at 11:00 a.m. Greek local time at the Company’s offices at 331 Kifissias Avenue, Kifissia 14561 in Athens, Greece. The

August 29, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number 001-4109

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue, Kifissia 14561 Athens, Greece (Address of principa

August 29, 2025 EX-99.3

Imperial Petroleum Inc. ANNUAL REPORT 2024

EX-99.3 Table of Contents Exhibit 99.3 Imperial Petroleum Inc. ANNUAL REPORT 2024 Table of Contents COMPANY PROFILE Imperial Petroleum Inc. is a ship-owning company providing petroleum products, crude oil and dry bulk seaborne transportation services. As of December 31, 2024 the Company’s fleet was comprised of 11 vessels consisting of six Medium Range (M.R) type product tankers, two Suezmax crude

August 8, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number 001-4109

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of principal

May 23, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number 001-41095 I

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue, Erithrea 14561 Athens, Greece (Address of principal execu

May 23, 2025 EX-99.1

IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. REPORTS FIRST QUARTER 2025 FINANCIAL AND OPERATING RESULTS

Exhibit 99.1 IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. REPORTS FIRST QUARTER 2025 FINANCIAL AND OPERATING RESULTS ATHENS, GREECE, May 23, 2025 - IMPERIAL PETROLEUM INC. (NASDAQ: IMPP; the “Company”), a ship-owning company providing petroleum products, crude oil and dry bulk seaborne transportation services, announced today its unaudited financial and operating results for the first quarter e

April 29, 2025 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON D.C. 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON D.C. 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF

April 29, 2025 EX-12.2

CERTIFICATIONS

EX-12.2 Exhibit 12.2 CERTIFICATIONS I, Ifigeneia Sakellari, certify that: 1. I have reviewed this annual report on Form 20-F of Imperial Petroleum Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not mislead

April 29, 2025 EX-11.2

IMPERIAL PETROLEUM INC. INSIDER TRADING POLICY

Exhibit 11.2 IMPERIAL PETROLEUM INC. INSIDER TRADING POLICY Imperial Petroleum Inc. (the “Company”) has adopted the following policy and procedures for securities trading by Company directors and employees, including employees of any manager of the Company, including Stealth Maritime Corp. S.A. (our “Insider Trading Policy”). Our Insider Trading Policy is intended to prevent the misuse of material

April 29, 2025 EX-4.9

Norwegian Shipbrokers Association’s Memorandum of Agreement for sale and purchase of ships Adopted by BIMCO in 1956 Code-name SALEFORM 2012 Revised 1966, 1983 and 1986/87 1993 and 2012

Exhibit 4.9 MEMORANDUM OF AGREEMENT Dated: 20th september 2024 GOD OF THE SEA INC Marshall Islands hereinafter called the “Sellers”, have agreed to sell, and AURELIA WORLD TRANSPORTS INC. Marshall Islands hereinafter called the “Buyers”, have agreed to buy: Name of vessel: ECO CZAR IMO Number: 9340556 Classification Society: Class Notation: Year of Build: 2009  Builder/Yard: OSHIMA Flag:  Liberia

April 29, 2025 EX-15.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Exhibit 15.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statement No. 333-268663 on Form F-3, Registration Statement No. 333-266031 on Post Effective Amendment No. 1 to Form F-1 on Form F-3, Registration Statements No. 333-278813 and No. 333-275745 on Form S-8 of our report dated April 29, 2025, relating to the consolidated

April 29, 2025 EX-13.2

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

EX-13.2 Exhibit 13.2 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Imperial Petroleum Inc. (the “Company”) for the fiscal year ended December 31, 2024 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), the undersigned officer of the Comp

April 29, 2025 EX-12.1

CERTIFICATIONS

EX-12.1 Exhibit 12.1 CERTIFICATIONS I, Harry N. Vafias, certify that: 1. I have reviewed this annual report on Form 20-F of Imperial Petroleum Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading

April 29, 2025 EX-13.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

EX-13.1 Exhibit 13.1 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Imperial Petroleum Inc. (the “Company”) for the fiscal year ended December 31, 2024 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), the undersigned officer of the Comp

February 21, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Commission File Number 001-41

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of principal e

February 21, 2025 EX-99.1

IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. REPORTS FOURTH QUARTER AND TWELVE MONTHS 2024 FINANCIAL AND OPERATING RESULTS

Exhibit 99.1 IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. REPORTS FOURTH QUARTER AND TWELVE MONTHS 2024 FINANCIAL AND OPERATING RESULTS ATHENS, GREECE, February 13, 2025 - IMPERIAL PETROLEUM INC. (NASDAQ: IMPP, the “Company”), a ship-owning company providing petroleum products, crude oil and dry bulk seaborne transportation services, announced today its unaudited financial and operating results

December 3, 2024 EX-99.1

IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. REPORTS THIRD QUARTER AND NINE MONTHS 2024 FINANCIAL AND OPERATING RESULTS

Exhibit 99.1 IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. REPORTS THIRD QUARTER AND NINE MONTHS 2024 FINANCIAL AND OPERATING RESULTS ATHENS, GREECE, December 2, 2024—IMPERIAL PETROLEUM INC. (NASDAQ: IMPP, the “Company”), a ship-owning company providing petroleum products, crude oil and dry bulk seaborne transportation services, announced today its unaudited financial and operating results for t

December 3, 2024 424B3

Imperial Petroleum Inc.

Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-263593 and 333-263725 PROSPECTUS SUPPLEMENT NO. 6 (TO PROSPECTUS DATED MAY 1, 2024) Imperial Petroleum Inc. This is a supplement (“Prospectus Supplement”) to the prospectus, dated May 1, 2024 (“Prospectus”), of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement on Form F-1 (Registration Nos. 333

December 3, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2024 Commission File Number 001-41

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2024 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of principal e

December 3, 2024 424B3

Imperial Petroleum Inc.

Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-262264 and 333-262421 PROSPECTUS SUPPLEMENT NO. 6 (TO PROSPECTUS DATED MAY 1, 2024) Imperial Petroleum Inc. This is a supplement (“Prospectus Supplement”) to the prospectus, dated May 1, 2024 (“Prospectus”), of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement on Form F-1 (Registration Nos. 333

December 3, 2024 424B3

Imperial Petroleum Inc.

Filed Pursuant to Rule 424(b)(3) Registration No. 333-264675 PROSPECTUS SUPPLEMENT NO. 6 (TO PROSPECTUS DATED MAY 1, 2024) Imperial Petroleum Inc. This is a supplement (“Prospectus Supplement”) to the prospectus, dated May 1, 2024 (“Prospectus”), of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement on Form F-1 (Registration No. 333-264675), as amen

November 8, 2024 SC 13G/A

IMPP / Imperial Petroleum Inc. / Hudson Bay Capital Management LP - IMPP 13G/A Passive Investment

SC 13G/A 1 impp13ga.htm IMPP 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* Imperial Petroleum Inc. (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) Y3894J187 (CUSIP Number) September 30, 2024 (Date of Event Which Requires Filing of this Statement) Check the appropria

October 29, 2024 SC 13D/A

IMPP / Imperial Petroleum Inc. / Flawless Management Inc. - SC 13D/A Activist Investment

SC 13D/A SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No.

October 29, 2024 EX-99.14

JOINT FILING AGREEMENT

EX-99.14 EXHIBIT 14 JOINT FILING AGREEMENT JOINT FILING AGREEMENT, dated as of October 29, 2024, between Flawless Management Inc., Arethusa Properties LTD and Harry N. Vafias (collectively, the “Joint Filers”). WHEREAS, pursuant to Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), the parties hereto desire to satisfy any filing obligation under Section 13(d)

September 30, 2024 EX-99.1

IMPERIAL PETROLEUM INC. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Table of Contents Exhibit 99.1 IMPERIAL PETROLEUM INC. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS The following is a discussion of our financial condition and results of operations for the six-month period ended June 30, 2024. Unless otherwise specified herein, references to the “Company” or “we” shall include Imperial Petroleum Inc. and its subsidiaries.

September 30, 2024 424B3

Imperial Petroleum Inc.

Table of Contents Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-262264 and 333-262421 PROSPECTUS SUPPLEMENT NO. 5 (TO PROSPECTUS DATED MAY 1, 2024) Imperial Petroleum Inc. This is a supplement (“Prospectus Supplement”) to the prospectus, dated May 1, 2024 (“Prospectus”), of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement on Form F-1 (Reg

September 30, 2024 6-K

UNITED STATES SECURITIES AND EX CHA NGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Commission File Number 001

UNITED STATES SECURITIES AND EX CHA NGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of principa

September 30, 2024 424B3

Imperial Petroleum Inc.

Table of Contents Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-263593 and 333-263725 PROSPECTUS SUPPLEMENT NO. 5 (TO PROSPECTUS DATED MAY 1, 2024) Imperial Petroleum Inc. This is a supplement (“Prospectus Supplement”) to the prospectus, dated May 1, 2024 (“Prospectus”), of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement on Form F-1 (Reg

September 30, 2024 424B3

Imperial Petroleum Inc.

Table of Contents Filed Pursuant to Rule 424(b)(3) Registration No. 333-264675 PROSPECTUS SUPPLEMENT NO. 5 (TO PROSPECTUS DATED MAY 1, 2024) Imperial Petroleum Inc. This is a supplement (“Prospectus Supplement”) to the prospectus, dated May 1, 2024 (“Prospectus”), of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement on Form F-1 (Registration No. 33

September 20, 2024 424B3

Imperial Petroleum Inc.

Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-263593 and 333-263725 PROSPECTUS SUPPLEMENT NO. 4 (TO PROSPECTUS DATED MAY 1, 2024) Imperial Petroleum Inc. This is a supplement (“Prospectus Supplement”) to the prospectus, dated May 1, 2024 (“Prospectus”), of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement on Form F-1 (Registration Nos. 333

September 20, 2024 424B3

Imperial Petroleum Inc.

Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-262264 and 333-262421 PROSPECTUS SUPPLEMENT NO. 4 (TO PROSPECTUS DATED MAY 1, 2024) Imperial Petroleum Inc. This is a supplement (“Prospectus Supplement”) to the prospectus, dated May 1, 2024 (“Prospectus”), of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement on Form F-1 (Registration Nos. 333

September 20, 2024 424B3

Imperial Petroleum Inc.

Filed Pursuant to Rule 424(b)(3) Registration No. 333-264675 PROSPECTUS SUPPLEMENT NO. 4 (TO PROSPECTUS DATED MAY 1, 2024) Imperial Petroleum Inc. This is a supplement (“Prospectus Supplement”) to the prospectus, dated May 1, 2024 (“Prospectus”), of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement on Form F-1 (Registration No. 333-264675), as amen

September 20, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Commission File Number 001-4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of principal

August 30, 2024 EX-99.3

Year Built

EX-99.3 Table of Contents Exhibit 99.3 Annual REPORT 2023 Table of Contents COMPANY PROFILE Imperial Petroleum Inc. is a ship-owning company providing petroleum products, crude oil and dry bulk seaborne transportation services. As of December 31, 2023, the Company owned a total of nine vessels; five M.R. product tankers, two suezmax tankers and two handysize dry bulk carriers with a capacity of ap

August 30, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number 001-4109

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of principal

August 30, 2024 EX-99.1

IMPERIAL PETROLEUM INC. 331 Kifissias Avenue Erithrea 14561 Athens, Greece

EX-99.1 Exhibit 99.1 IMPERIAL PETROLEUM INC. 331 Kifissias Avenue Erithrea 14561 Athens, Greece August 30, 2024 Dear Stockholder: You are cordially invited to attend the 2024 Annual Meeting of Stockholders of Imperial Petroleum Inc., which will be held on Friday, October 11, 2024 at 11:00 a.m. Greek local time at the Company’s offices at 331 Kifissias Avenue, Erithrea 14561 in Athens, Greece. The

August 30, 2024 EX-99.2

THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

EX-99.2 Exhibit 99.2   VOTE BY INTERNET - www.proxyvote.com or scan the QR Barcode above IMPERIAL PETROLEUM INC. 331 KIFISSIAS AVE. 14561 ATHENS, GREECE Use the Internet to transmit your voting instructions and for electronic delivery of information up until 11:59 P.M. Eastern Time the day before the cut-off date or meeting date. Follow the instructions to obtain your records and to create an elec

August 28, 2024 EX-99.1

IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. REPORTS SECOND QUARTER AND SIX MONTHS 2024 FINANCIAL AND OPERATING RESULTS

Exhibit 99.1 IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. REPORTS SECOND QUARTER AND SIX MONTHS 2024 FINANCIAL AND OPERATING RESULTS ATHENS, GREECE, August 27, 2024 - IMPERIAL PETROLEUM INC. (NASDAQ: IMPP, the “Company”), a ship-owning company providing petroleum products, crude oil and dry bulk seaborne transportation services, announced today its unaudited financial and operating results for

August 28, 2024 424B3

Imperial Petroleum Inc.

424B3 Filed Pursuant to Rule 424(b)(3) Registration No. 333-264675 PROSPECTUS SUPPLEMENT NO. 3 (TO PROSPECTUS DATED MAY 1, 2024) Imperial Petroleum Inc. This is a supplement (“Prospectus Supplement”) to the prospectus, dated May 1, 2024 (“Prospectus”), of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement on Form F-1 (Registration No. 333-264675), a

August 28, 2024 424B3

Imperial Petroleum Inc.

424B3 Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-263593 and 333-263725 PROSPECTUS SUPPLEMENT NO. 3 (TO PROSPECTUS DATED MAY 1, 2024) Imperial Petroleum Inc. This is a supplement (“Prospectus Supplement”) to the prospectus, dated May 1, 2024 (“Prospectus”), of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement on Form F-1 (Registration No

August 28, 2024 424B3

Imperial Petroleum Inc.

424B3 Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-262264 and 333-262421 PROSPECTUS SUPPLEMENT NO. 3 (TO PROSPECTUS DATED MAY 1, 2024) Imperial Petroleum Inc. This is a supplement (“Prospectus Supplement”) to the prospectus, dated May 1, 2024 (“Prospectus”), of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement on Form F-1 (Registration No

August 28, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number 001-4109

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of principal

May 24, 2024 424B3

Imperial Petroleum Inc.

Filed Pursuant to Rule 424(b)(3) Registration No. 333-264675 PROSPECTUS SUPPLEMENT NO. 2 (TO PROSPECTUS DATED MAY 1, 2024) Imperial Petroleum Inc. This is a supplement (“Prospectus Supplement”) to the prospectus, dated May 1, 2024 (“Prospectus”), of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement on Form F-1 (Registration No. 333-264675), as amen

May 24, 2024 424B3

Imperial Petroleum Inc.

Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-262264 and 333-262421 PROSPECTUS SUPPLEMENT NO. 2 (TO PROSPECTUS DATED MAY 1, 2024) Imperial Petroleum Inc. This is a supplement (“Prospectus Supplement”) to the prospectus, dated May 1, 2024 (“Prospectus”), of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement on Form F-1 (Registration Nos. 333

May 24, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number 001-41095 I

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of principal ex

May 24, 2024 424B3

Imperial Petroleum Inc.

Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-263593 and 333-263725 PROSPECTUS SUPPLEMENT NO. 2 (TO PROSPECTUS DATED MAY 1, 2024) Imperial Petroleum Inc. This is a supplement (“Prospectus Supplement”) to the prospectus, dated May 1, 2024 (“Prospectus”), of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement on Form F-1 (Registration Nos. 333

May 16, 2024 424B3

Imperial Petroleum Inc.

Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-263593 and 333-263725 PROSPECTUS SUPPLEMENT NO. 1 (TO PROSPECTUS DATED MAY 1, 2024) Imperial Petroleum Inc. This is a supplement (“Prospectus Supplement”) to the prospectus, dated May 1, 2024 (“Prospectus”), of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement on Form F-1 (Registration Nos. 333

May 16, 2024 424B3

Imperial Petroleum Inc.

Filed Pursuant to Rule 424(b)(3) Registration No. 333-264675 PROSPECTUS SUPPLEMENT NO. 1 (TO PROSPECTUS DATED MAY 1, 2024) Imperial Petroleum Inc. This is a supplement (“Prospectus Supplement”) to the prospectus, dated May 1, 2024 (“Prospectus”), of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement on Form F-1 (Registration No. 333-264675), as amen

May 16, 2024 424B3

Imperial Petroleum Inc.

Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-262264 and 333-262421 PROSPECTUS SUPPLEMENT NO. 1 (TO PROSPECTUS DATED MAY 1, 2024) Imperial Petroleum Inc. This is a supplement (“Prospectus Supplement”) to the prospectus, dated May 1, 2024 (“Prospectus”), of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement on Form F-1 (Registration Nos. 333

May 16, 2024 EX-99.1

IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. REPORTS FIRST QUARTER 2024 FINANCIAL AND OPERATING RESULTS

Exhibit 99.1 IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. REPORTS FIRST QUARTER 2024 FINANCIAL AND OPERATING RESULTS ATHENS, GREECE, May 16, 2024 - IMPERIAL PETROLEUM INC. (NASDAQ: IMPP, the “Company”), a ship-owning company providing petroleum products, crude oil and dry bulk seaborne transportation services, announced today its unaudited financial and operating results for the three months en

May 16, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number 001-41095 I

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of principal ex

May 1, 2024 SC 13D/A

Imperial Petroleum Inc./Marshall Islands - SC 13D/A

SC 13D/A SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No.

April 19, 2024 POS AM

As filed with the U.S. Securities and Exchange Commission on April 19, 2024.

Table of Contents As filed with the U.S. Securities and Exchange Commission on April 19, 2024. Registration Nos. 333-262264 and 333-262421 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 POST-EFFECTIVE AMENDMENT NO. 2 TO Form F-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Imperial Petroleum Inc. (Exact name of registrant as specified in its charter) Republic of t

April 19, 2024 POS AM

As filed with the Securities and Exchange Commission on April 19, 2024.

Table of Contents As filed with the Securities and Exchange Commission on April 19, 2024.

April 19, 2024 EX-FILING FEES

Form S-8 (Form Type) Imperial Petroleum Inc. (Exact name of registrant as specified in its charter) Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered(1) Proposed Maximum Offering Price Per Share(2)

Exhibit 107 Form S-8 (Form Type) Imperial Petroleum Inc. (Exact name of registrant as specified in its charter) Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered(1) Proposed Maximum Offering Price Per Share(2) Maximum Aggregate Offering Price(2)(3) Fee Rate(3) Amount of Registration Fee(3) Equity  Common Stock,  $0.01 par value per share Rule 457

April 19, 2024 POS AM

As filed with the U.S. Securities and Exchange Commission on April 19, 2024.

Table of Contents As filed with the U.S. Securities and Exchange Commission on April 19, 2024. Registration Nos. 333-263593 and 333-263725 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 POST-EFFECTIVE AMENDMENT NO. 2 TO Form F-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Imperial Petroleum Inc. (Exact name of registrant as specified in its charter) Republic of t

April 19, 2024 POS AM

As filed with the U.S. Securities and Exchange Commission on April 19, 2024.

Table of Contents As filed with the U.S. Securities and Exchange Commission on April 19, 2024. Registration No. 333-264675 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO Form F-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Imperial Petroleum Inc. (Exact name of registrant as specified in its charter) Republic of the Marshall Isla

April 19, 2024 S-8

As filed with the Securities and Exchange Commission on April 19, 2024

S-8 As filed with the Securities and Exchange Commission on April 19, 2024 Registration No.

April 16, 2024 EX-99.13

JOINT FILING AGREEMENT

EX-99.13 EXHIBIT 13 JOINT FILING AGREEMENT JOINT FILING AGREEMENT, dated as of April 16, 2024, between Flawless Management Inc., Arethusa Properties LTD and Harry N. Vafias (collectively, the “Joint Filers”). WHEREAS, pursuant to Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), the parties hereto desire to satisfy any filing obligation under Section 13(d) o

April 16, 2024 SC 13D/A

IMPP / Imperial Petroleum Inc. / Flawless Management Inc. - SC 13D/A Activist Investment

SC 13D/A SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No.

April 12, 2024 EX-13.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

EX-13.1 Exhibit 13.1 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Imperial Petroleum Inc. (the “Company”) for the fiscal year ended December 31, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), the undersigned officer of the Comp

April 12, 2024 EX-13.2

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

EX-13.2 Exhibit 13.2 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Imperial Petroleum Inc. (the “Company”) for the fiscal year ended December 31, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), the undersigned officer of the Comp

April 12, 2024 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON D.C. 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXC

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON D.C. 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITI

April 12, 2024 EX-4.12

IMPERIAL PETROLEUM INC. 2024 EQUITY COMPENSATION PLAN (Effective as of April 12, 2024)

Exhibit 4.12 IMPERIAL PETROLEUM INC. 2024 EQUITY COMPENSATION PLAN (Effective as of April 12, 2024) 1. Purpose of the Plan The purpose of this Imperial Petroleum Inc. Equity Compensation Plan (the “Plan”) is to advance the interests of the Company and its stockholders by providing a means (a) to attract, retain, and reward directors, officers, other employees and persons who provide services to th

April 12, 2024 EX-2.1

DESCRIPTION OF IMPERIAL PETROLEUM INC.’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED

EX-2.1 Exhibit 2.1 DESCRIPTION OF IMPERIAL PETROLEUM INC.’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED References in this description to the “Company,” “we,” “our,” “or “us” are to Imperial Petroleum Inc. Defined terms used but not defined herein have the meaning given to them in our Annual Report on Form 20-F to which this description is an exh

April 12, 2024 EX-15.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Exhibit 15.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statement No. 333-268663 on Form F-3 and Registration Statement No. 333-275745 on Form S-8 of our report dated April 12, 2024, relating to the consolidated financial statements of Imperial Petroleum Inc. appearing in this Annual Report on Form 20-F for the year ended D

April 12, 2024 EX-12.1

CERTIFICATIONS

EX-12.1 Exhibit 12.1 CERTIFICATIONS I, Harry N. Vafias, certify that: 1. I have reviewed this annual report on Form 20-F of Imperial Petroleum Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading

April 12, 2024 EX-1.1

RESTATED ARTICLES OF INCORPORATION IMPERIAL PETROLEUM INC. UNDER SECTIONS 28 AND 93 OF THE MARSHALL ISLANDS BUSINESS CORPORATIONS ACT

Exhibit 1.1 RESTATED ARTICLES OF INCORPORATION OF IMPERIAL PETROLEUM INC. UNDER SECTIONS 28 AND 93 OF THE MARSHALL ISLANDS BUSINESS CORPORATIONS ACT FIRST: The name of the Corporation shall be: IMPERIAL PETROLEUM INC. SECOND: The purpose of the Corporation is to engage in any lawful act or activity relating to the business of chartering, rechartering or operating tankers, drybulk carriers or other

April 12, 2024 EX-12.2

CERTIFICATIONS

EX-12.2 Exhibit 12.2 CERTIFICATIONS I, Ifigeneia Sakellari, certify that: 1. I have reviewed this annual report on Form 20-F of Imperial Petroleum Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not mislead

April 12, 2024 EX-97

IMPERIAL PETROLEUM INC. COMPENSATION RECOVERY POLICY Adopted as of November 13, 2023

Exhibit 97 IMPERIAL PETROLEUM INC. COMPENSATION RECOVERY POLICY Adopted as of November 13, 2023 Imperial Petroleum Inc., a Marshall Islands corporation (the “Company”), has adopted a Compensation Recovery Policy (this “Policy”) as described below. 1. Overview The Policy sets forth the circumstances and procedures under which the Company shall recover Erroneously Awarded Compensation from Covered P

March 20, 2024 SC 13D/A

CISS / C3is Inc. / Imperial Petroleum Inc./Marshall Islands - SC 13D/A Activist Investment

SC 13D/A SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No.

February 15, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number 001-41

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of principal e

February 15, 2024 EX-99.1

IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. REPORTS FOURTH QUARTER AND TWELVE MONTHS 2023 FINANCIAL AND OPERATING RESULTS

Exhibit 99.1 IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. REPORTS FOURTH QUARTER AND TWELVE MONTHS 2023 FINANCIAL AND OPERATING RESULTS ATHENS, GREECE, February 13, 2024 - IMPERIAL PETROLEUM INC. (NASDAQ: IMPP, the “Company”), a ship-owning company providing petroleum products, crude oil and dry bulk seaborne transportation services, announced today its unaudited financial and operating results

February 5, 2024 SC 13G

MHY3894J1872 / IMPERIAL PETROLEUM INC / Hudson Bay Capital Management LP - IMPP 13G Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.)* Imperial Petroleum Inc. (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) Y3894J187 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to

January 24, 2024 SC 13D/A

CISS.V / C3is Inc / Imperial Petroleum Inc./Marshall Islands - SC 13D/A Activist Investment

SC 13D/A 1 d746589dsc13da.htm SC 13D/A SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 1)* C3is INC. (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) Y18284 102 (CUSIP Number) Imperial Petroleum Inc. Attn: Harry N. Vafias 331 Kifissias Avenue Erithrea 14561 Athens, Greece 011 30210

January 8, 2024 EX-99.12

JOINT FILING AGREEMENT

EX-99.12 EXHIBIT 12 JOINT FILING AGREEMENT JOINT FILING AGREEMENT, dated as of January 8, 2024, between Flawless Management Inc., Arethusa Properties LTD and Harry N. Vafias (collectively, the “Joint Filers”). WHEREAS, pursuant to Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), the parties hereto desire to satisfy any filing obligation under Section 13(d)

January 8, 2024 SC 13D/A

MHY3894J1872 / IMPERIAL PETROLEUM INC / Flawless Management Inc. - SC 13D/A Activist Investment

SC 13D/A SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No.

December 22, 2023 SC 13D/A

MHY3894J1872 / IMPERIAL PETROLEUM INC / Flawless Management Inc. - SC 13D/A Activist Investment

SC 13D/A 1 d325702dsc13da.htm SC 13D/A SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 4)* IMPERIAL PETROLEUM INC. (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) Y3894J187 (CUSIP Number) Harry N. Vafias c/o Imperial Petroleum Inc. 331 Kifissias Avenue Erithrea 14561 Athens, Greece

December 22, 2023 EX-99.1

IMPERIAL PETROLEUM INC. ANNOUNCES CONVERSION OF OUTSTANDING SERIES C CONVERTIBLE PREFERRED STOCK

EX-99.1 Exhibit 99.1 IMPERIAL PETROLEUM INC. ANNOUNCES CONVERSION OF OUTSTANDING SERIES C CONVERTIBLE PREFERRED STOCK Athens, Greece, December 22, 2023 – Imperial Petroleum Inc. (Nasdaq: IMPP) (the “Company”), a ship-owning company providing petroleum products, crude oil, and drybulk seaborne transportation services, today announced that all 13,875 shares of its Series C Cumulative Convertible Per

December 22, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2023 Commission File Number 001-41

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2023 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of principal e

December 22, 2023 EX-99.11

JOINT FILING AGREEMENT

EX-99.11 EXHIBIT 11 JOINT FILING AGREEMENT JOINT FILING AGREEMENT, dated as of December 22, 2023, between Flawless Management Inc., Arethusa Properties LTD and Harry N. Vafias (collectively, the “Joint Filers”). WHEREAS, pursuant to Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), the parties hereto desire to satisfy any filing obligation under Section 13(d

December 11, 2023 SC 13G

MHY3894J1872 / IMPERIAL PETROLEUM INC / Arethusa Properties LTD - SC 13G Passive Investment

SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Amendment No. )* Under the Securities Exchange Act of 1934 Imperial Petroleum Inc. (Name of Issuer) Common Stock, par value $0.01 (Title of Class of Securities) Y3894J187 (CUSIP Number) October 16, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule

December 11, 2023 EX-99.10

JOINT FILING AGREEMENT

EX-99.10 EXHIBIT 10 JOINT FILING AGREEMENT JOINT FILING AGREEMENT, dated as of December 11, 2023, between Flawless Management Inc., Arethusa Properties LTD, a British Virgin Islands company, and Harry N. Vafias (collectively, the “Joint Filers”). WHEREAS, pursuant to Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), the parties hereto desire to satisfy any f

December 11, 2023 SC 13D/A

MHY3894J1872 / IMPERIAL PETROLEUM INC / Flawless Management Inc. - SC 13D/A Activist Investment

SC 13D/A SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No.

December 6, 2023 EX-99.1

IMPERIAL PETROLEUM INC. ANNOUNCES REPURCHASE OF 3.2 MILLION WARRANTS

EX-99.1 Exhibit 99.1 IMPERIAL PETROLEUM INC. ANNOUNCES REPURCHASE OF 3.2 MILLION WARRANTS ATHENS, Greece, December 6, 2023 — IMPERIAL PETROLEUM INC. (NASDAQ: IMPP, the “Company”), a ship-owning company providing petroleum products, crude oil and dry bulk seaborne transportation services, announced today that it has agreed to repurchase 2,457,989 Class C Warrants and 693,335 Class D Warrants from c

December 6, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2023 Commission File Number 001-41

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2023 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of princip

November 24, 2023 S-8

As filed with the Securities and Exchange Commission on November 24, 2023

S-8 As filed with the Securities and Exchange Commission on November 24, 2023 Registration No.

November 24, 2023 EX-FILING FEES

Form S-8 (Form Type) Imperial Petroleum Inc. (Exact name of registrant as specified in its charter) Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered(1) Proposed Maximum Offering Price Per Share(2)

EX-FILING FEES Exhibit 107 Form S-8 (Form Type) Imperial Petroleum Inc. (Exact name of registrant as specified in its charter) Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered(1) Proposed Maximum Offering Price Per Share(2) Maximum Aggregate Offering Price(2)(3) Fee Rate(3) Amount of Registration Fee(3) Equity Common Stock, $0.01 par value per s

November 3, 2023 EX-99.9

JOINT FILING AGREEMENT

EX-99.9 EXHIBIT 9 JOINT FILING AGREEMENT JOINT FILING AGREEMENT, dated as of November 3, 2023, between Flawless Management Inc. and Harry N. Vafias (collectively, the “Joint Filers”). WHEREAS, pursuant to Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), the parties hereto desire to satisfy any filing obligation under Section 13(d) of the Exchange Act by a s

November 3, 2023 SC 13D/A

MHY3894J1872 / IMPERIAL PETROLEUM INC / Flawless Management Inc. - SC 13D/A Activist Investment

SC 13D/A SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No.

October 27, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2023 Commission File Number 001-410

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2023 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of principa

October 27, 2023 EX-99.1

   IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. REPORTS THIRD QUARTER AND NINE MONTHS 2023 FINANCIAL AND OPERATING RESULTS

EX-99.1 Exhibit 99.1    IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. REPORTS THIRD QUARTER AND NINE MONTHS 2023 FINANCIAL AND OPERATING RESULTS ATHENS, GREECE, October 25, 2023 - IMPERIAL PETROLEUM INC. (NASDAQ: IMPP, the “Company”), a ship-owning company providing petroleum products, crude oil and dry bulk seaborne transportation services, announced today its unaudited financial and operating

October 11, 2023 EX-99.1

JOINT FILING AGREEMENT

Exhibit 99.1 JOINT FILING AGREEMENT The undersigned hereby agree that the statement on Schedule 13D with respect to the Common Stock of Imperial Petroleum Inc, dated as of October 10, 2023 is, and any amendments thereto (including amendments on Schedule 13G) signed by each of the undersigned shall be, filed on behalf of each of us pursuant to and in accordance with the provisions of Rule 13d-1(k)

October 11, 2023 EX-99.2

Galloway Capital Partners, LLC

Exhibit 99.2 Galloway Capital Partners, LLC October 10, 2023 Harry Vafias, Chairman and Chief Executive Officer Imperial Petroleum, Inc. 331 Kifissias Avenue Erithrea 14561 Athens, Greece Dear Mr. Vafias: As you know, Galloway Capital Partners, LLC (“GCP”) together with our affiliates has filed several 13D’s with the U.S. Securities & Exchange Commission in regard to our position in Imperial Petro

October 11, 2023 SC 13D/A

MHY3894J1872 / IMPERIAL PETROLEUM INC / Galloway Capital Partners, LLC - FORM SC 13D/A Activist Investment

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No.

October 10, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2023 Commission File Number 001-410

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2023 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of principa

October 10, 2023 EX-99.1

IMPERIAL PETROLEUM INC. ANNOUNCES REPURCHASE OF 2.58 MILLION WARRANTS

EX-99.1 Exhibit 99.1 IMPERIAL PETROLEUM INC. ANNOUNCES REPURCHASE OF 2.58 MILLION WARRANTS ATHENS, Greece, October 9, 2023 — IMPERIAL PETROLEUM INC. (NASDAQ: IMPP, the “Company”), a ship-owning company providing petroleum products, crude oil and dry bulk seaborne transportation services, announced today that it has agreed to repurchase 1,480,001 Class C Warrants and 1,100,003 Class D Warrants from

September 22, 2023 EX-99.1

IMPERIAL PETROLEUM INC MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Table of Contents Exhibit 99.1 IMPERIAL PETROLEUM INC MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS The following is a discussion of our financial condition and results of operations for the six-month period ended June 30, 2023. Unless otherwise specified herein, references to the “Company” or “we” shall include Imperial Petroleum Inc. and its subsidiaries.

September 22, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2023 Commission File Number 001-4

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2023 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Add

September 11, 2023 EX-99.1

JOINT FILING AGREEMENT

Exhibit 99.1 JOINT FILING AGREEMENT The undersigned hereby agree that the statement on Schedule 13D with respect to the Common Stock of Imperial Petroleum Inc, dated as of September 11, 2023 is, and any amendments thereto (including amendments on Schedule 13G) signed by each of the undersigned shall be, filed on behalf of each of us pursuant to and in accordance with the provisions of Rule 13d-1(k

September 11, 2023 EX-99.1

IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM ANNOUNCES $10 MILLION SHARE REPURCHASE PROGRAM AND AGREEMENT TO ACQUIRE TWO VESSELS

EX-99.1 Exhibit 99.1 IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM ANNOUNCES $10 MILLION SHARE REPURCHASE PROGRAM AND AGREEMENT TO ACQUIRE TWO VESSELS Athens, Greece, September 7, 2023 – Imperial Petroleum Inc. (Nasdaq: IMPP) (the “Company”) today announced that its Board of Directors has approved a share repurchase program and authorized the officers of the Company to repurchase, from time to time,

September 11, 2023 SC 13D/A

MHY3894J1872 / IMPERIAL PETROLEUM INC / Galloway Capital Partners, LLC - FORM SC 13D/A Activist Investment

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No.

September 11, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2023 Commission File Number 001-4

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2023 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of princi

September 11, 2023 EX-99.2

Galloway Capital Partners, LLC

Exhibit 99.2 Galloway Capital Partners, LLC September 11, 2023 Harry Vafias, Chairman and Chief Executive Officer Imperial Petroleum, Inc. 331 Kifissias Avenue Erithrea 14561 Athens, Greece Dear Mr. Vafias: As you know, Galloway Capital Partners, LLC (“GCP”) together with our affiliates recently sent you a letter and filed a 13D with the U.S. Securities & Exchange Commission. Since this filing I h

August 31, 2023 EX-99.1

JOINT FILING AGREEMENT

Exhibit 99.1 JOINT FILING AGREEMENT The undersigned hereby agree that the statement on Schedule 13D with respect to the Common Stock of Imperial Petroleum Inc, dated as of August 30, 2023 is, and any amendments thereto (including amendments on Schedule 13G) signed by each of the undersigned shall be, filed on behalf of each of us pursuant to and in accordance with the provisions of Rule 13d-1(k) u

August 31, 2023 EX-99.2

Galloway Capital Partners, LLC

EXHIBIT 99.1 Galloway Capital Partners, LLC August 30, 2023 Harry Vafias, Chairman and Chief Executive Officer Imperial Petroleum, Inc. 331 Kifissias Avenue Erithrea 14561 Athens, Greece Dear Mr. Vafias: Our firm, Galloway Capital Partners, LLC (“GCP”), together with our affiliates, have been shareholders of Imperial Petroleum, Inc. (the “Company”) since early 2023. We acquired a position in the C

August 31, 2023 SC 13D/A

MHY3894J1872 / IMPERIAL PETROLEUM INC / Galloway Capital Partners, LLC - FORM SC 13D/A1 Activist Investment

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No.

August 23, 2023 EX-99.7

JOINT FILING AGREEMENT

EX-99.7 EXHIBIT 7 JOINT FILING AGREEMENT JOINT FILING AGREEMENT, dated as of August 23, 2023, between Flawless Management Inc. and Harry N. Vafias (collectively, the “Joint Filers”). WHEREAS, pursuant to Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), the parties hereto desire to satisfy any filing obligation under Section 13(d) of the Exchange Act by a si

August 23, 2023 SC 13D/A

MHY3894J1872 / IMPERIAL PETROLEUM INC / Flawless Management Inc. - SC 13D/A Activist Investment

SC 13D/A SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No.

August 23, 2023 EX-99.8

LOCK-UP AGREEMENT

EX-99.8 Exhibit 99.8 LOCK-UP AGREEMENT , 2023 Maxim Group LLC 300 Park Avenue, 16th Floor New York, NY 10022 Re: Public Offering of Imperial Petroleum Inc. Ladies and Gentlemen: The undersigned, a holder of shares of common stock, par value $0.01 per share (the “Shares”), or rights to acquire Shares, of Imperial Petroleum Inc., a company incorporated under the laws of the Republic of the Marshall

August 15, 2023 EX-4.1

CLASS E COMMON STOCK PURCHASE WARRANT IMPERIAL PETROLEUM INC. Warrant Shares: _______ Initial Exercise Date: August 15, 2023

EX-4.1 Exhibit 4.1 CLASS E COMMON STOCK PURCHASE WARRANT IMPERIAL PETROLEUM INC. Warrant Shares: Initial Exercise Date: August 15, 2023 THIS CLASS E COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after th

August 15, 2023 EX-4.2

PRE-FUNDED COMMON STOCK PURCHASE WARRANT IMPERIAL PETROLEUM INC. Warrant Shares: _______ Initial Exercise Date: August 15, 2023

EX-4.2 Exhibit 4.2 PRE-FUNDED COMMON STOCK PURCHASE WARRANT IMPERIAL PETROLEUM INC. Warrant Shares: Initial Exercise Date: August 15, 2023 THIS PRE-FUNDED COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or af

August 15, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number 001-4109

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of principal

August 15, 2023 EX-1.1

PLACEMENT AGENCY AGREEMENT

EX-1.1 Exhibit 1.1 PLACEMENT AGENCY AGREEMENT August 11, 2023 Maxim Group LLC 300 Park Avenue, 16th Floor New York, NY 10022 Ladies and Gentlemen: Introduction. Subject to the terms and conditions herein (this “Agreement”), Imperial Petroleum Inc., a company incorporated under the laws of the Republic of the Marshall Islands (the “Company”), hereby agrees to sell up to an aggregate of $17,000,000

August 15, 2023 EX-99.1

IMPERIAL PETROLEUM INC. ANNOUNCES PRICING OF APPROXIMATELY $17.0 MILLION REGISTERED DIRECT OFFERING

EX-99.1 Exhibit 99.1 IMPERIAL PETROLEUM INC. ANNOUNCES PRICING OF APPROXIMATELY $17.0 MILLION REGISTERED DIRECT OFFERING ATHENS, Greece, Aug. 11, 2023 — IMPERIAL PETROLEUM INC. (NASDAQ: IMPP, the “Company”), a ship-owning company providing petroleum products, crude oil and dry bulk seaborne transportation services, announced today that it has entered into securities purchase agreements with instit

August 15, 2023 EX-1.2

SECURITIES PURCHASE AGREEMENT

EX-1.2 Exhibit 1.2 SECURITIES PURCHASE AGREEMENT This Securities Purchase Agreement (this “Agreement”) is dated as of August 11, 2023, between Imperial Petroleum Inc., a company incorporated under the laws of the Republic of the Marshall Islands (the “Company”), and each purchaser identified on the signature pages hereto (each, including its successors and assigns, a “Purchaser” and collectively t

August 14, 2023 424B5

8,499,999 Units consisting of Shares of Common Stock or Pre-Funded Warrants and Class E Warrants to purchase Common Stock (and Shares of Common Stock underlying the Pre-Funded Warrants and Class E Warrants) Imperial Petroleum Inc.

424B5 Table of Contents PROSPECTUS SUPPLEMENT (to Prospectus dated December 15, 2022) Filed Pursuant to Rule 424(b)(5) Registration No.

August 10, 2023 EX-99.2

REVERSE STOCK SPLIT DISCLOSURE

EX-99.2 Exhibit 99.2 REVERSE STOCK SPLIT DISCLOSURE On April 28, 2023, Imperial Petroleum Inc. (the “Company”) effected a one-for-fifteen (1-for-15) reverse split of its common stock. The reverse stock split reduced the number of the Company’s outstanding shares of common stock from 248,097,175 to 16,539,811, as of April 28, 2023, and affected all issued and outstanding shares of common stock. No

August 10, 2023 EX-99.1

IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. REPORTS SECOND QUARTER AND SIX MONTHS 2023 FINANCIAL AND OPERATING RESULTS

EX-99.1 Exhibit 99.1 IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. REPORTS SECOND QUARTER AND SIX MONTHS 2023 FINANCIAL AND OPERATING RESULTS ATHENS, GREECE, August 10, 2023—IMPERIAL PETROLEUM INC. (NASDAQ: IMPP, the “Company”), a ship-owning company providing petroleum products, crude oil and dry bulk seaborne transportation services, announced today its unaudited financial and operating result

August 10, 2023 EX-99.3

CONTRIBUTION AND DISTRIBUTION AGREEMENT

EX-99.3 Exhibit 99.3 CONTRIBUTION AND DISTRIBUTION AGREEMENT This contribution and distribution agreement (this “Agreement”) is entered into as of June 20, 2023, by and between Imperial Petroleum Inc., a Marshall Islands corporation (“Imperial Petroleum”), and C3is Inc., a Marshall Islands corporation (“C3is”). The foregoing shall be referred to individually as a “Party” and collectively as the “P

August 10, 2023 EX-99.4

MEMORANDUM OF AGREEMENT Norwegian Shipbrokers’ Association’s Memorandum of Agreement for sale and purchase of ships. Adopted by BIMCO in 1956. Code name SALEFORM 2012 Revised 1966, 1983 and 1986/87, 1993 and 2012 Dated: 7th july 2023 TANKPUNK INC. of

EX-99.4 Exhibit 99.4 MEMORANDUM OF AGREEMENT Norwegian Shipbrokers’ Association’s Memorandum of Agreement for sale and purchase of ships. Adopted by BIMCO in 1956. Code name SALEFORM 2012 Revised 1966, 1983 and 1986/87, 1993 and 2012 Dated: 7th july 2023 TANKPUNK INC. of Marshall Islandshereinafter called the “Sellers’’, have agreed to sell, and CRUDE OIL SERVICES INTERNATIONAL INC. of Marshall Is

August 10, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number 001-4109

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of principal

August 8, 2023 EX-99.3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON D.C. 20549 FORM 20-F

EX-99.3 Table of Contents Exhibit 99.3 2022 ANNUAL REPORT Imperial Petroleum Inc. Table of Contents COMPANY PROFILE Imperial Petroleum Inc. is a ship-owning company providing petroleum product, crude oil and dry bulk seaborne transportation services. As of December 31, 2022, the Company owned a total of ten vessels; five M.R. product tankers, one aframax oil tanker, two suezmax tankers and two han

August 8, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number 001-4109

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of principal

August 8, 2023 EX-99.2

For All

EX-99.2 Exhibit 99.2 IMPERIAL PETROLEUM INC. 331 KIFISSIAS AVE. 14561 ATHENS, GREECE VOTE BY INTERNET - www.proxyvote.com or scan the QR Barcode above Use the Internet to transmit your voting instructions and for electronic delivery of information up until 11:59 P.M. Eastern Time the day before the cut-off date or meeting date. Follow the instructions to obtain your records and to create an electr

August 8, 2023 EX-99.1

IMPERIAL PETROLEUM INC. 331 Kifissias Avenue Erithrea 14561 Athens, Greece

EX-99.1 Exhibit 99.1 IMPERIAL PETROLEUM INC. 331 Kifissias Avenue Erithrea 14561 Athens, Greece August 7, 2023 Dear Stockholder: You are cordially invited to attend the 2023 Annual Meeting of Stockholders of Imperial Petroleum Inc., which will be held on Wednesday, September 20, 2023 at 11:00 a.m. Greek local time at the Company’s offices at 331 Kifissias Avenue, Erithrea 14561 in Athens, Greece.

August 4, 2023 EX-99.1

JOINT FILING AGREEMENT

EX-99.1 2 d447503dex991.htm EX-99.1 EXHIBIT 1 JOINT FILING AGREEMENT JOINT FILING AGREEMENT, dated as of August 4, 2023, between Flawless Management Inc. and Harry N. Vafias (collectively, the “Joint Filers”). WHEREAS, pursuant to Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), the parties hereto desire to satisfy any filing obligation under Section 13(d)

August 4, 2023 EX-99.2

PURCHASE AGREEMENT

EX-99.2 Exhibit 2 PURCHASE AGREEMENT THIS PURCHASE AGREEMENT (this “Agreement”), dated as of October 21, 2022, is entered into by and between Imperial Petroleum Inc., a Marshall Islands corporation (the “Corporation”), and Harry N. Vafias (the “Purchaser”). WHEREAS, the Corporation desires to issue and sell to Purchaser, and Purchaser desires to subscribe for and purchase from the Corporation, a n

August 4, 2023 EX-99.3

SHARE PURCHASE AGREEMENT by and among IMPERIAL PETROLEUM INC. FLAWLESS MANAGEMENT INC.

EX-99.3 Exhibit 3 SHARE PURCHASE AGREEMENT by and among IMPERIAL PETROLEUM INC. and FLAWLESS MANAGEMENT INC. SHARE PURCHASE AGREEMENT This SHARE PURCHASE AGREEMENT, dated February 17, 2023 (this “Agreement”), is by and between IMPERIAL PETROLEUM INC., a Marshall Islands corporation (the “Company”), and FLAWLESS MANAGEMENT INC. (the “Purchaser”). WHEREAS, the Company has entered into (1) a memorand

August 4, 2023 SC 13D

MHY3894J1872 / IMPERIAL PETROLEUM INC / Flawless Management Inc. - SC 13D Activist Investment

SC 13D SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No.

July 28, 2023 SC 13D

CISS.V / C3is Inc / Imperial Petroleum Inc./Marshall Islands - SC 13D Activist Investment

SC 13D SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No.

July 28, 2023 EX-99.3

LOCK-UP AGREEMENT

EXHIBIT 3 Exhibit 3 LOCK-UP AGREEMENT , 2023 Maxim Group LLC 300 Park Avenue, 16th Floor New York, NY 10022 Re: Public Offering of C3is Inc.

July 17, 2023 EX-99.1

IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. ANNOUNCES THE SALE OF ITS AFRAMAX TANKER

EX-99.1 Exhibit 99.1 IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. ANNOUNCES THE SALE OF ITS AFRAMAX TANKER Athens, Greece, July 17, 2023 – Imperial Petroleum Inc. (Nasdaq:IMPP) (the “Company”) announced today that it has entered into an agreement to sell for $43 million the M/T Stealth Berana an Aframax oil tanker, built at Samsung shipyard, South Korea in 2010, with a cargo carrying capacity o

July 17, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2023 Commission File Number 001-41095

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2023 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of principal e

June 23, 2023 EX-99.1

IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. DECLARES DIVIDEND ON SERIES A PREFERRED SHARES

EX-99.1 Exhibit 99.1 IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. DECLARES DIVIDEND ON SERIES A PREFERRED SHARES Athens, Greece, June 16, 2023 – Imperial Petroleum Inc. (Nasdaq: IMPP) (the “Company”), a ship-owning company providing petroleum products, crude oil, and drybulk seaborne transportation services, today announced a dividend of approximately $0.546875 per share on its 8.75% Series A C

June 23, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2023 Commission File Number 001-41095

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2023 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of principal e

June 23, 2023 EX-99.2

IMPERIAL PETROLEUM INC. ANNOUNCES COMPLETION OF SPIN-OFF OF C3IS INC.

EX-99.2 Exhibit 99.2 IMPERIAL PETROLEUM INC. ANNOUNCES COMPLETION OF SPIN-OFF OF C3IS INC. Athens, Greece, June 21, 2023 – Imperial Petroleum Inc. (Nasdaq: IMPP) (the “Company”), a ship-owning company providing petroleum products, crude oil and dry bulk seaborne transportation services, today announced that it has completed the spin-off of its previously wholly-owned subsidiary, C3is Inc., the hol

June 5, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2023 Commission File Number 001-41095

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2023 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of principal execu

June 5, 2023 EX-99.1

IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. ANNOUNCES RECORD DATE FOR DISTRIBUTION OF C3IS INC. SHARES FOR SPIN-OFF OF TWO DRYBULK CARRIERS

EX-99.1 Exhibit 99.1 IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. ANNOUNCES RECORD DATE FOR DISTRIBUTION OF C3IS INC. SHARES FOR SPIN-OFF OF TWO DRYBULK CARRIERS Athens, Greece, June 2, 2023 – Imperial Petroleum Inc. (Nasdaq: IMPP) (the “Company”), a ship-owning company providing petroleum products, crude oil and dry bulk seaborne transportation services, today announced that the record date fo

May 12, 2023 EX-99.1

IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. REPORTS RECORD NET INCOME OF $35.7 MILLION FOR THE FIRST QUARTER OF 2023, FINANCIAL AND OPERATING RESULTS

EX-99.1 Exhibit 99.1 IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. REPORTS RECORD NET INCOME OF $35.7 MILLION FOR THE FIRST QUARTER OF 2023, FINANCIAL AND OPERATING RESULTS ATHENS, GREECE, May 8, 2023 - IMPERIAL PETROLEUM INC. (NASDAQ: IMPP, the “Company”), a ship-owning company providing petroleum products, crude oil and dry bulk seaborne transportation services, announced today its unaudited f

May 12, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2023 Commission File Number 001-41095 I

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2023 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of principal ex

April 28, 2023 EX-4.1

ARTICLES OF AMENDMENT AMENDED AND RESTATED ARTICLES OF INCORPORATION IMPERIAL PETROLEUM INC. Under Section 90 of the Republic of the Marshall Islands Business Corporations Act

EX-4.1 Exhibit 4.1 ARTICLES OF AMENDMENT TO AMENDED AND RESTATED ARTICLES OF INCORPORATION OF IMPERIAL PETROLEUM INC. Under Section 90 of the Republic of the Marshall Islands Business Corporations Act IMPERIAL PETROLEUM INC., a corporation incorporated in and existing under the law of the Republic of the Marshall Islands (the “Corporation”), hereby certifies as follows: (a) The name of the Corpora

April 28, 2023 EX-99.1

IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. ANNOUNCES REVERSE STOCK SPLIT To be effective April 28, 2023 Aiming to meet the minimum bid price requirement for maintaining listing on Nasdaq Shareholders’ percentage ownership interest will not be af

EX-99.1 Exhibit 99.1 IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. ANNOUNCES REVERSE STOCK SPLIT To be effective April 28, 2023 Aiming to meet the minimum bid price requirement for maintaining listing on Nasdaq Shareholders’ percentage ownership interest will not be affected ATHENS, GREECE – April 26, 2023 – IMPERIAL PETROLEUM INC. (the “Company”) (Nasdaq: IMPP) today announced that its board of

April 28, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2023 Commission File Number 001-41095

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2023 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of principal exec

April 28, 2023 EX-4.2

COMMON STOCK CUSIP No. Y3894J 187 Certificate Number Shares IMPERIAL PETROLEUM INC. FORMED UNDER THE LAWS OF THE REPUBLIC OF THE MARSHALL ISLANDS

EX-4.2 Exhibit 4.2 COMMON STOCK CUSIP No. Y3894J 187 Certificate Number Shares IMPERIAL PETROLEUM INC. FORMED UNDER THE LAWS OF THE REPUBLIC OF THE MARSHALL ISLANDS THIS CERTIFIES THAT is the owner of FULLY-PAID AND NON-ASSESSABLE SHARES OF COMMON STOCK, PAR VALUE $0.01 PER SHARE, OF Imperial Petroleum Inc. (hereinafter called the “Company”), transferable on the books of the Company by the holder

April 28, 2023 EX-99.2

IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM ANNOUNCES THE FULL REPAYMENT OF ALL OUTSTANDING LOANS

EX-99.2 Exhibit 99.2 IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM ANNOUNCES THE FULL REPAYMENT OF ALL OUTSTANDING LOANS Athens, Greece, April 26, 2023 – Imperial Petroleum Inc. (Nasdaq: IMPP) (the “Company”), a ship-owning company providing petroleum products, crude oil, and drybulk seaborne transportation services, announced today that the Company recently repaid early and in full its sole remainin

April 13, 2023 EX-99.1

IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM ANNOUNCES THE FULL REPAYMENT OF ITS $30.0 MILLION OUTSTANDING LOAN WITH NBG BANK

EX-99.1 Exhibit 99.1 IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM ANNOUNCES THE FULL REPAYMENT OF ITS $30.0 MILLION OUTSTANDING LOAN WITH NBG BANK Athens, Greece, April 11, 2023 – Imperial Petroleum Inc. (Nasdaq: IMPP) (the “Company”), a ship-owning company providing petroleum products, crude oil, and drybulk seaborne transportation services, announced today that the Company recently repaid early an

April 13, 2023 EX-99.2

IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. ANNOUNCES PROPOSED SPIN-OFF OF TWO OF ITS DRYBULK CARRIERS

EX-99.2 Exhibit 99.2 IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. ANNOUNCES PROPOSED SPIN-OFF OF TWO OF ITS DRYBULK CARRIERS Athens, Greece, April 12, 2023 – Imperial Petroleum Inc. (Nasdaq: IMPP) (the “Company”), a ship-owning company providing petroleum products, crude oil, and drybulk seaborne transportation services, today announced that, through a wholly-owned subsidiary, it has filed a re

April 13, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2023 Commission File Number 001-41095

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2023 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of principal

April 3, 2023 EX-12.2

Certification of the Chief Financial Officer

EX-12.2 Exhibit 12.2 CERTIFICATIONS I, Ifigeneia Sakellari, certify that: 1. I have reviewed this annual report on Form 20-F of Imperial Petroleum Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not mislead

April 3, 2023 EX-1.5

Statement of Designation of Series C Cumulative Convertible Perpetual Preferred Stock

Exhibit 1.5 STATEMENT OF DESIGNATION OF THE SERIES C CUMULATIVE CONVERTIBLE PERPETUAL PREFERRED STOCK (Par Value $0.01 Per Share) OF IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC., a corporation organized and existing under the Business Corporations Act (the “BCA”) of the Marshall Islands (the “Company”), in accordance with the provisions of Section 35 thereof, does hereby certify that: The Board

April 3, 2023 EX-13.1

Certification of the Chief Executive Officer pursuant to 18 U.S.C. Section 1350 as added by Section 906 of the Sarbanes-Oxley Act of 2002

EX-13.1 Exhibit 13.1 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Imperial Petroleum Inc. (the “Company”) for the fiscal year ended December 31, 2022 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), the undersigned officer of the Comp

April 3, 2023 EX-13.2

Certification of the Chief Financial Officer pursuant to 18 U.S.C. Section 1350 as added by Section 906 of the Sarbanes-Oxley Act of 2002

EX-13.2 Exhibit 13.2 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Imperial Petroleum Inc. (the “Company”) for the fiscal year ended December 31, 2022 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), the undersigned officer of the Comp

April 3, 2023 EX-2.1

Description of Securities

EX-2.1 Exhibit 2.1 DESCRIPTION OF IMPERIAL PETROLEUM INC.’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED References in this description to the “Company,” “we,” “our,” “or “us” are to Imperial Petroleum Inc. Defined terms used but not defined herein have the meaning given to them in our Annual Report on Form 20-F to which this description is an exh

April 3, 2023 EX-12.1

Certification of the Chief Executive Officer

EX-12.1 Exhibit 12.1 CERTIFICATIONS I, Harry N. Vafias, certify that: 1. I have reviewed this annual report on Form 20-F of Imperial Petroleum Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading

April 3, 2023 EX-15.1

Consent of Deloitte Certified Public Accountants S.A.

EX-15.1 Exhibit 15.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statement No. 333-268663 on Form F-3 of our report dated April 3, 2023, relating to the consolidated financial statements of Imperial Petroleum Inc. appearing in this Annual Report on Form 20-F for the year ended December 31, 2022. /s/ Deloitte Certified Public

April 3, 2023 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON D.C. 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHAN GE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EX

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON D.C. 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHAN GE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURIT

February 17, 2023 424B3

IMPERIAL PETROLEUM INC.

Filed Pursuant to Rule 424(b)(3) Registration No. 333-264675 PROSPECTUS SUPPLEMENT NO. 16 (TO PROSPECTUS DATED May 16, 2022) IMPERIAL PETROLEUM INC. This is a supplement (“Prospectus Supplement”) to the prospectus, dated May 16, 2022 (“Prospectus”) of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement on Form F-1 (Registration No. 333-264675), as am

February 17, 2023 EX-99.1

IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. REPORTS FOURTH QUARTER AND TWELVE MONTHS 2022 NET INCOME OF $13.8 AND $29.5 MILLION RESPECTIVELY, FINANCIAL AND OPERATING RESULTS

EX-99.1 Exhibit 99.1 IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. REPORTS FOURTH QUARTER AND TWELVE MONTHS 2022 NET INCOME OF $13.8 AND $29.5 MILLION RESPECTIVELY, FINANCIAL AND OPERATING RESULTS ATHENS, GREECE, February 15, 2023—IMPERIAL PETROLEUM INC. (NASDAQ: IMPP, the “Company”), a ship-owning company providing petroleum products, crude oil and dry bulk seaborne transportation services, ann

February 17, 2023 424B3

IMPERIAL PETROLEUM INC.

Filed Pursuant to Rule 424(b)(3) Registration No. 333-266031 PROSPECTUS SUPPLEMENT NO. 10 (TO PROSPECTUS DATED JULY 15, 2022) IMPERIAL PETROLEUM INC. This is a supplement (“Prospectus Supplement”) to the prospectus, dated July 15, 2022 (“Prospectus”) of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement on Form F-1 (Registration No. 333-266031), as

February 17, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2023 Commission File Number 001-41

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2023 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of princip

February 17, 2023 424B3

IMPERIAL PETROLEUM INC.

Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-263593 and 333-263725 PROSPECTUS SUPPLEMENT NO. 17 (TO PROSPECTUS DATED April 8, 2022) IMPERIAL PETROLEUM INC. This is a supplement (“Prospectus Supplement”) to the prospectus, dated April 8, 2022 (“Prospectus”) of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statements on Form F-1 (Registration Nos

February 17, 2023 EX-99.2

IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM ANNOUNCES AGREEMENT TO ACQUIRE TWO HANDYSIZE DRY BULK CARRIERS

EX-99.2 Exhibit 99.2 IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM ANNOUNCES AGREEMENT TO ACQUIRE TWO HANDYSIZE DRY BULK CARRIERS Athens, Greece, February 17, 2023 – Imperial Petroleum Inc. (Nasdaq: IMPP) (the “Company”) announced today that it has entered into agreements to acquire two handysize drybulk carriers, built in Japan at Nakai Zosen in 2012 and at Shin Kurushima Onishi in 2013 respectively

February 17, 2023 424B3

IMPERIAL PETROLEUM INC.

Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-262264 and 333-262421 PROSPECTUS SUPPLEMENT NO. 16 (TO PROSPECTUS DATED April 8, 2022) IMPERIAL PETROLEUM INC. This is a supplement (“Prospectus Supplement”) to the prospectus, dated April 8, 2022 (“Prospectus”) of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statements on Form F-1 (Registration Nos

February 14, 2023 SC 13G/A

IMPP.V / Imperial Petroleum Inc / CVI Investments, Inc. - SC 13G/A Passive Investment

SC 13G/A 1 tm235037d8sc13ga.htm SC 13G/A CUSIP No: Y3894J104 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2. (Amendment No. 1)* Imperial Petroleum Inc. (Name of Issuer) Common Shares, $0.01 par value per share (Title of C

December 16, 2022 424B3

IMPERIAL PETROLEUM INC.

424B3 1 d265585d424b3.htm 424B3 Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-263593 and 333-263725 PROSPECTUS SUPPLEMENT NO. 16 (TO PROSPECTUS DATED April 8, 2022) IMPERIAL PETROLEUM INC. This is a supplement (“Prospectus Supplement”) to the prospectus, dated April 8, 2022 (“Prospectus”) of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statemen

December 16, 2022 424B3

IMPERIAL PETROLEUM INC.

Filed Pursuant to Rule 424(b)(3) Registration No. 333-264675 PROSPECTUS SUPPLEMENT NO. 15 (TO PROSPECTUS DATED May 16, 2022) IMPERIAL PETROLEUM INC. This is a supplement (“Prospectus Supplement”) to the prospectus, dated May 16, 2022 (“Prospectus”) of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement on Form F-1 (Registration No. 333-264675), as am

December 16, 2022 424B3

IMPERIAL PETROLEUM INC.

424B3 1 d265585d424b3.htm 424B3 Filed Pursuant to Rule 424(b)(3) Registration No. 333-266031 PROSPECTUS SUPPLEMENT NO. 9 (TO PROSPECTUS DATED JULY 15, 2022) IMPERIAL PETROLEUM INC. This is a supplement (“Prospectus Supplement”) to the prospectus, dated July 15, 2022 (“Prospectus”) of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement on Form F-1 (Re

December 16, 2022 EX-99.1

IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. DECLARES DIVIDEND ON SERIES A PREFERRED SHARES

Exhibit 99.1 IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. DECLARES DIVIDEND ON SERIES A PREFERRED SHARES Athens, Greece, December 16, 2022 ?Imperial Petroleum Inc. (Nasdaq: IMPP) (the ?Company?), a ship-owning company providing petroleum products, crude oil, and drybulk seaborne transportation services, today announced a dividend of approximately $0.546875 per share on its 8.75% Series A Cumula

December 16, 2022 424B3

IMPERIAL PETROLEUM INC.

Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-262264 and 333-262421 PROSPECTUS SUPPLEMENT NO. 15 (TO PROSPECTUS DATED April 8, 2022) IMPERIAL PETROLEUM INC. This is a supplement (?Prospectus Supplement?) to the prospectus, dated April 8, 2022 (?Prospectus?) of Imperial Petroleum Inc. (the ?Company?), which forms a part of the Company?s Registration Statements on Form F-1 (Registration Nos

December 16, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2022 Commission File Number 001-41

6-K 1 d265585d6k.htm 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2022 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greec

December 15, 2022 EX-99.1

IMPERIAL PETROLEUM INC. GRANTED

Exhibit 99.1 IMPERIAL PETROLEUM INC. GRANTED 180-DAY EXTENSION BY NASDAQ TO REGAIN COMPLIANCE WITH MINIMUM BID PRICE RULE Athens, Greece, December 15, 2022 ? Imperial Petroleum Inc. (Nasdaq: IMPP) (the ?Company?), a ship-owning company providing petroleum products, crude oil, and drybulk seaborne transportation services, today announced that the Company received formal notification from the Listin

December 15, 2022 424B3

IMPERIAL PETROLEUM INC.

424B3 1 d407940d424b3.htm 424B3 Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-262264 and 333-262421 PROSPECTUS SUPPLEMENT NO. 14 (TO PROSPECTUS DATED April 8, 2022) IMPERIAL PETROLEUM INC. This is a supplement (“Prospectus Supplement”) to the prospectus, dated April 8, 2022 (“Prospectus”) of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statemen

December 15, 2022 424B3

IMPERIAL PETROLEUM INC.

424B3 1 d407940d424b3.htm 424B3 Filed Pursuant to Rule 424(b)(3) Registration No. 333-264675 PROSPECTUS SUPPLEMENT NO. 14 (TO PROSPECTUS DATED May 16, 2022) IMPERIAL PETROLEUM INC. This is a supplement (“Prospectus Supplement”) to the prospectus, dated May 16, 2022 (“Prospectus”) of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement on Form F-1 (Reg

December 15, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2022 Commission File Number 001-41

6-K 1 d407940d6k.htm 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2022 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greec

December 15, 2022 424B3

IMPERIAL PETROLEUM INC.

424B3 1 d407940d424b3.htm 424B3 Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-263593 and 333-263725 PROSPECTUS SUPPLEMENT NO. 15 (TO PROSPECTUS DATED April 8, 2022) IMPERIAL PETROLEUM INC. This is a supplement (“Prospectus Supplement”) to the prospectus, dated April 8, 2022 (“Prospectus”) of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statemen

December 15, 2022 424B3

IMPERIAL PETROLEUM INC.

424B3 1 d407940d424b3.htm 424B3 Filed Pursuant to Rule 424(b)(3) Registration No. 333-266031 PROSPECTUS SUPPLEMENT NO. 8 (TO PROSPECTUS DATED JULY 15, 2022) IMPERIAL PETROLEUM INC. This is a supplement (“Prospectus Supplement”) to the prospectus, dated July 15, 2022 (“Prospectus”) of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement on Form F-1 (Re

December 13, 2022 CORRESP

Imperial Petroleum Inc. 331 Kifissias Avenue Erithrea 14561 Athens, Greece

Imperial Petroleum Inc. 331 Kifissias Avenue Erithrea 14561 Athens, Greece December 13, 2022 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance Office of Energy & Transportation 100 F Street, N.E. Washington, D.C. 20549 Attn: Timothy S. Levenberg Re: Imperial Petroleum Inc. Acceleration Request for Registration Statement on Form F-3 File No. 333-268663 Dear Mr. Leven

December 5, 2022 424B3

IMPERIAL PETROLEUM INC.

424B3 1 d430821d424b3.htm 424B3 Filed Pursuant to Rule 424(b)(3) Registration No. 333-266031 PROSPECTUS SUPPLEMENT NO. 7 (TO PROSPECTUS DATED JULY 15, 2022) IMPERIAL PETROLEUM INC. This is a supplement (“Prospectus Supplement”) to the prospectus, dated July 15, 2022 (“Prospectus”) of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement on Form F-1 (Re

December 5, 2022 424B3

IMPERIAL PETROLEUM INC.

Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-262264 and 333-262421 PROSPECTUS SUPPLEMENT NO. 13 (TO PROSPECTUS DATED April 8, 2022) IMPERIAL PETROLEUM INC. This is a supplement (“Prospectus Supplement”) to the prospectus, dated April 8, 2022 (“Prospectus”) of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statements on Form F-1 (Registration Nos

December 5, 2022 424B3

IMPERIAL PETROLEUM INC.

Filed Pursuant to Rule 424(b)(3) Registration No. 333-264675 PROSPECTUS SUPPLEMENT NO. 13 (TO PROSPECTUS DATED May 16, 2022) IMPERIAL PETROLEUM INC. This is a supplement (?Prospectus Supplement?) to the prospectus, dated May 16, 2022 (?Prospectus?) of Imperial Petroleum Inc. (the ?Company?), which forms a part of the Company?s Registration Statement on Form F-1 (Registration No. 333-264675), as am

December 5, 2022 424B3

IMPERIAL PETROLEUM INC.

Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-263593 and 333-263725 PROSPECTUS SUPPLEMENT NO. 14 (TO PROSPECTUS DATED April 8, 2022) IMPERIAL PETROLEUM INC. This is a supplement (?Prospectus Supplement?) to the prospectus, dated April 8, 2022 (?Prospectus?) of Imperial Petroleum Inc. (the ?Company?), which forms a part of the Company?s Registration Statements on Form F-1 (Registration Nos

December 2, 2022 EX-4.2

Form of subordinated indenture, with respect to the subordinated debt securities of Imperial Petroleum Inc. (filed herewith).

EX-4.2 4 d262314dex42.htm EX-4.2 Exhibit 4.2 IMPERIAL PETROLEUM INC. and [ ], as Trustee INDENTURE Dated as of [ ] SUBORDINATED DEBT SECURITIES TABLE OF CONTENTS Page ARTICLE I DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION 1 Section 1.1 Definitions 1 Section 1.2 Compliance Certificates and Opinions 7 Section 1.3 Form of Documents Delivered to Trustee 7 Section 1.4 Acts of Holders; Record

December 2, 2022 EX-FILING FEES

Filing Fee Table (filed herewith).

Exhibit 107 Calculation of Filing Fee Tables Form F-3 (Form Type) Imperial Petroleum Inc.

December 2, 2022 EX-5.3

Opinion of Goodwin Procter LLP (United States counsel to the Company) (filed herewith).

EX-5.3 7 d262314dex53.htm EX-5.3 Exhibit 5.3 Goodwin Procter LLP The New York Times Building 620 Eighth Avenue New York, NY 10018 December 2, 2022 Imperial Petroleum Inc. 331 Kifissias Avenue Erithrea 14561 Athens, Greece Re: Securities Being Registered under Registration Statement on Form F-3 We have acted as U.S. counsel to you in connection with your filing of a Registration Statement on Form F

December 2, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2022 Commission File Number 001-41

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2022 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant?s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of principal e

December 2, 2022 EX-1.2

Equity Distribution Agreement (filed herewith).

EX-1.2 2 d262314dex12.htm EX-1.2 Exhibit 1.2 IMPERIAL PETROLEUM INC. Up to US$50,000,000 of Shares of Common Stock EQUITY DISTRIBUTION AGREEMENT December 2, 2022 Maxim Group LLC 300 Park Avenue, 16th Floor New York, New York 10022 Virtu Americas LLC 1633 Broadway New York, New York 10019 Ladies and Gentlemen: Imperial Petroleum Inc., a corporation organized under the laws of the Republic of the Ma

December 2, 2022 EX-99.2

Page 1

Exhibit 99.2 Up to $30,792,500 Secured Loan Agreement Dated 25 November, 2022 (1) Intercontinental Crude and Product Enterprises Inc. Petroleum Trading and Shipping Inc. (as Borrowers) (2) National Bank of Greece S.A. (as Lender) Contents Page Section 1 Interpretation 2 1 Definitions and Interpretation 2 Section 2 The Loan 27 2 The Loan 27 3 Purpose 27 4 Conditions of Utilisation 27 Section 3 Util

December 2, 2022 F-3

As filed with the Securities and Exchange Commission on December 2, 2022

F-3 1 d262314df3.htm F-3 Table of Contents As filed with the Securities and Exchange Commission on December 2, 2022 Registration No. 333- SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM F-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 IMPERIAL PETROLEUM INC. (Exact Name of Registrant as Specified in its Charter) Not Applicable (Translation of Registrant’s Name into Englis

December 2, 2022 EX-99.1

IMPERIAL PETROLEUM INC MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Exhibit 99.1 IMPERIAL PETROLEUM INC MANAGEMENT?S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS The following is a discussion of our financial condition and results of operations for the nine-month period ended September 30, 2022. Unless otherwise specified herein, references to the ?Company? or ?we? shall include Imperial Petroleum Inc. and its subsidiaries. You should r

December 2, 2022 EX-4.1

Form of senior indenture, with respect to the senior debt securities of Imperial Petroleum Inc. (filed herewith).

EX-4.1 3 d262314dex41.htm EX-4.1 Exhibit 4.1 IMPERIAL PETROLEUM INC. and [ ], as Trustee INDENTURE Dated as of [ ] SENIOR DEBT SECURITIES TABLE OF CONTENTS Page ARTICLE I. DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION 1 Section 1.1 Definitions 1 Section 1.2 Compliance Certificates and Opinions 6 Section 1.3 Form of Documents Delivered to Trustee 6 Section 1.4 Acts of Holders; Record Date

November 10, 2022 EX-99.2

SCAN TO VIEW MATERIALS & VOTE VOTE BY INTERNET—www.proxyvote.com or scan the QR Barcode above IMPERIAL PETROLEUM INC. Use the Internet to transmit your voting instructions and for electronic delivery of 331 KIFISSIAS AVE. information up until 11:59 P

EX-99.2 3 d404322dex992.htm EX-99.2 Exhibit 99.2 SCAN TO VIEW MATERIALS & VOTE VOTE BY INTERNET—www.proxyvote.com or scan the QR Barcode above IMPERIAL PETROLEUM INC. Use the Internet to transmit your voting instructions and for electronic delivery of 331 KIFISSIAS AVE. information up until 11:59 P.M. Eastern Time the day before the cut-off date or meeting 14561 ATHENS, GREECE date. Follow the ins

November 10, 2022 EX-99.3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON D.C. 20549 FORM 20-F

Exhibit 99.3 Imperial Petroleum Inc. ANNUAL REPORT 2021 COMPANY PROFILE Imperial Petroleum Inc. is a ship-owning company providing petroleum products and crude oil seaborne transportation services. Imperial Petroleum Inc. became an independent listed Company on December 3, 2021 following the spin- off of StealthGas? four tankers. As of June 15 2022, the Company owned a total of eight tanker vessel

November 10, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2022 Commission File Number 001-41

6-K 1 d404322d6k.htm 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2022 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greec

November 10, 2022 EX-99.1

IMPERIAL PETROLEUM INC. 331 Kifissias Avenue Erithrea 14561 Athens, Greece

Exhibit 99.1 IMPERIAL PETROLEUM INC. 331 Kifissias Avenue Erithrea 14561 Athens, Greece November 10, 2022 Dear Stockholder: You are cordially invited to attend the 2022 Annual Meeting of Stockholders of Imperial Petroleum Inc., which will be held on Tuesday, December 20, 2022 at 11:00 a.m. Greek local time at the Company?s offices at 331 Kifissias Avenue, Erithrea 14561 in Athens, Greece. The 2022

October 24, 2022 424B3

IMPERIAL PETROLEUM INC.

Filed Pursuant to Rule 424(b)(3) Registration No. 333-264675 PROSPECTUS SUPPLEMENT NO. 12 (TO PROSPECTUS DATED May 16, 2022) IMPERIAL PETROLEUM INC. This is a supplement (“Prospectus Supplement”) to the prospectus, dated May 16, 2022 (“Prospectus”) of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement on Form F-1 (Registration No. 333-264675), as am

October 24, 2022 424B3

IMPERIAL PETROLEUM INC.

Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-263593 and 333-263725 PROSPECTUS SUPPLEMENT NO. 13 (TO PROSPECTUS DATED April 8, 2022) IMPERIAL PETROLEUM INC. This is a supplement (“Prospectus Supplement”) to the prospectus, dated April 8, 2022 (“Prospectus”) of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statements on Form F-1 (Registration Nos

October 24, 2022 424B3

IMPERIAL PETROLEUM INC.

424B3 1 d352429d424b3.htm 424B3 Filed Pursuant to Rule 424(b)(3) Registration No. 333-266031 PROSPECTUS SUPPLEMENT NO. 6 (TO PROSPECTUS DATED JULY 15, 2022) IMPERIAL PETROLEUM INC. This is a supplement (“Prospectus Supplement”) to the prospectus, dated July 15, 2022 (“Prospectus”) of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement on Form F-1 (Re

October 24, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2022 Commission File Number 001-410

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2022 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant?s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of principal ex

October 24, 2022 EX-99.1

IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. REPORTS THIRD QUARTER AND NINE MONTHS 2022 FINANCIAL AND OPERATING RESULTS

EX-99.1 2 d352429dex991.htm EX-99.1 Exhibit 99.1 IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. REPORTS THIRD QUARTER AND NINE MONTHS 2022 FINANCIAL AND OPERATING RESULTS ATHENS, GREECE, October 24, 2022—IMPERIAL PETROLEUM INC. (NASDAQ: IMPP, the “Company”), a ship-owning company providing petroleum products, crude oil and dry bulk seaborne transportation services, announced today its unaudited f

October 24, 2022 424B3

IMPERIAL PETROLEUM INC.

424B3 1 d352429d424b3.htm 424B3 Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-262264 and 333-262421 PROSPECTUS SUPPLEMENT NO. 12 (TO PROSPECTUS DATED April 8, 2022) IMPERIAL PETROLEUM INC. This is a supplement (“Prospectus Supplement”) to the prospectus, dated April 8, 2022 (“Prospectus”) of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statemen

October 21, 2022 424B3

IMPERIAL PETROLEUM INC.

Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-262264 and 333-262421 PROSPECTUS SUPPLEMENT NO. 11 (TO PROSPECTUS DATED April 8, 2022) IMPERIAL PETROLEUM INC. This is a supplement (“Prospectus Supplement”) to the prospectus, dated April 8, 2022 (“Prospectus”) of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statements on Form F-1 (Registration Nos

October 21, 2022 424B3

IMPERIAL PETROLEUM INC.

Filed Pursuant to Rule 424(b)(3) Registration No. 333-264675 PROSPECTUS SUPPLEMENT NO. 11 (TO PROSPECTUS DATED May 16, 2022) IMPERIAL PETROLEUM INC. This is a supplement (?Prospectus Supplement?) to the prospectus, dated May 16, 2022 (?Prospectus?) of Imperial Petroleum Inc. (the ?Company?), which forms a part of the Company?s Registration Statement on Form F-1 (Registration No. 333-264675), as am

October 21, 2022 EX-99.1

STATEMENT OF DESIGNATION OF RIGHTS, PREFERENCES AND PRIVILEGES OF SERIES B PREFERRED STOCK OF IMPERIAL PETROLEUM INC. (Pursuant to Section 35 of the Business Corporations Act of the Republic of the Marshall Islands)

Exhibit 99.1 STATEMENT OF DESIGNATION OF RIGHTS, PREFERENCES AND PRIVILEGES OF SERIES B PREFERRED STOCK OF IMPERIAL PETROLEUM INC. (Pursuant to Section 35 of the Business Corporations Act of the Republic of the Marshall Islands) The Restated Articles of Incorporation of Imperial Petroleum Inc., a Marshall Islands corporation (the ?Corporation?), confers upon the Board of Directors of the Corporati

October 21, 2022 424B3

IMPERIAL PETROLEUM INC.

Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-263593 and 333-263725 PROSPECTUS SUPPLEMENT NO. 12 (TO PROSPECTUS DATED April 8, 2022) IMPERIAL PETROLEUM INC. This is a supplement (“Prospectus Supplement”) to the prospectus, dated April 8, 2022 (“Prospectus”) of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statements on Form F-1 (Registration Nos

October 21, 2022 424B3

IMPERIAL PETROLEUM INC.

Filed Pursuant to Rule 424(b)(3) Registration No. 333-266031 PROSPECTUS SUPPLEMENT NO. 5 (TO PROSPECTUS DATED JULY 15, 2022) IMPERIAL PETROLEUM INC. This is a supplement (?Prospectus Supplement?) to the prospectus, dated July 15, 2022 (?Prospectus?) of Imperial Petroleum Inc. (the ?Company?), which forms a part of the Company?s Registration Statement on Form F-1 (Registration No. 333-266031), as a

October 21, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2022 Commission File Number 001-410

6-K 1 d306760d6k.htm 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2022 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece

October 14, 2022 EX-99.2

Dated: 28th September, 2022 ALPHA BANK S.A. (as Lender) - and - NIRVANA PRODUCT TRADING INC. and VOLUME JET TRADING INC. (as joint and several Borrowers) LOAN AGREEMENT for a secured floating interest rate loan facility of up to THEO V. SIOUFAS & CO.

EX-99.2 3 d391617dex992.htm EX-99.2 Exhibit 99.2 Private & confidential Dated: 28th September, 2022 ALPHA BANK S.A. (as Lender) - and - NIRVANA PRODUCT TRADING INC. and VOLUME JET TRADING INC. (as joint and several Borrowers) LOAN AGREEMENT for a secured floating interest rate loan facility of up to US$17,000,000 THEO V. SIOUFAS & CO. LAW OFFICES Piraeus TABLE OF CONTENTS CLAUSE HEADINGS PAGE 1. P

October 14, 2022 424B3

IMPERIAL PETROLEUM INC.

Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-263593 and 333-263725 PROSPECTUS SUPPLEMENT NO. 11 (TO PROSPECTUS DATED April 8, 2022) IMPERIAL PETROLEUM INC. This is a supplement (?Prospectus Supplement?) to the prospectus, dated April 8, 2022 (?Prospectus?) of Imperial Petroleum Inc. (the ?Company?), which forms a part of the Company?s Registration Statements on Form F-1 (Registration Nos

October 14, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2022 Commission File Number 001-410

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2022 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant?s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of principal ex

October 14, 2022 424B3

IMPERIAL PETROLEUM INC.

Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-262264 and 333-262421 PROSPECTUS SUPPLEMENT NO. 10 (TO PROSPECTUS DATED April 8, 2022) IMPERIAL PETROLEUM INC. This is a supplement (?Prospectus Supplement?) to the prospectus, dated April 8, 2022 (?Prospectus?) of Imperial Petroleum Inc. (the ?Company?), which forms a part of the Company?s Registration Statements on Form F-1 (Registration Nos

October 14, 2022 424B3

IMPERIAL PETROLEUM INC.

Filed Pursuant to Rule 424(b)(3) Registration No. 333-264675 PROSPECTUS SUPPLEMENT NO. 10 (TO PROSPECTUS DATED May 16, 2022) IMPERIAL PETROLEUM INC. This is a supplement (?Prospectus Supplement?) to the prospectus, dated May 16, 2022 (?Prospectus?) of Imperial Petroleum Inc. (the ?Company?), which forms a part of the Company?s Registration Statement on Form F-1 (Registration No. 333-264675), as am

October 14, 2022 424B3

IMPERIAL PETROLEUM INC.

Filed Pursuant to Rule 424(b)(3) Registration No. 333-266031 PROSPECTUS SUPPLEMENT NO. 4 (TO PROSPECTUS DATED JULY 15, 2022) IMPERIAL PETROLEUM INC. This is a supplement (?Prospectus Supplement?) to the prospectus, dated July 15, 2022 (?Prospectus?) of Imperial Petroleum Inc. (the ?Company?), which forms a part of the Company?s Registration Statement on Form F-1 (Registration No. 333-266031), as a

October 14, 2022 EX-99.1

IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. ANNOUNCES DELIVERY OF VESSEL AND BUSINESS DEVELOPMENTS

Exhibit 99.1 IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. ANNOUNCES DELIVERY OF VESSEL AND BUSINESS DEVELOPMENTS Athens, Greece, October 10, 2022 – Imperial Petroleum Inc. (Nasdaq: IMPP) (the “Company”) announced today: Delivery of Vessel On September 21, 2022 it took delivery of a 2011 Japanese built dry bulk carrier the Eco Bushfire for a consideration of $20.5 million. Closing of Debt Financ

September 22, 2022 424B3

IMPERIAL PETROLEUM INC.

Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-262264 and 333-262421 PROSPECTUS SUPPLEMENT NO. 9 (TO PROSPECTUS DATED April 8, 2022) IMPERIAL PETROLEUM INC. This is a supplement (?Prospectus Supplement?) to the prospectus, dated April 8, 2022 (?Prospectus?) of Imperial Petroleum Inc. (the ?Company?), which forms a part of the Company?s Registration Statements on Form F-1 (Registration Nos.

September 22, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2022 Commission File Number 001-4

6-K 1 d387235d6k.htm 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2022 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Gree

September 22, 2022 424B3

IMPERIAL PETROLEUM INC.

Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-263593 and 333-263725 PROSPECTUS SUPPLEMENT NO. 10 (TO PROSPECTUS DATED April 8, 2022) IMPERIAL PETROLEUM INC. This is a supplement (?Prospectus Supplement?) to the prospectus, dated April 8, 2022 (?Prospectus?) of Imperial Petroleum Inc. (the ?Company?), which forms a part of the Company?s Registration Statements on Form F-1 (Registration Nos

September 22, 2022 EX-99.1

IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. DECLARES DIVIDEND ON SERIES A PREFERRED SHARES

EX-99.1 2 d387235dex991.htm EX-99.1 Exhibit 99.1 IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. DECLARES DIVIDEND ON SERIES A PREFERRED SHARES Athens, Greece, September 15 2022 – Imperial Petroleum Inc. (Nasdaq: IMPP) (the “Company”) a ship-owning company currently providing petroleum product and crude oil seaborne transportation services, today announced a dividend of approximately $0.546875 per

September 22, 2022 424B3

IMPERIAL PETROLEUM INC.

Filed Pursuant to Rule 424(b)(3) Registration No. 333-266031 PROSPECTUS SUPPLEMENT NO. 3 (TO PROSPECTUS DATED JULY 15, 2022) IMPERIAL PETROLEUM INC. This is a supplement (?Prospectus Supplement?) to the prospectus, dated July 15, 2022 (?Prospectus?) of Imperial Petroleum Inc. (the ?Company?), which forms a part of the Company?s Registration Statement on Form F-1 (Registration No. 333-266031), as a

September 22, 2022 424B3

IMPERIAL PETROLEUM INC.

Filed Pursuant to Rule 424(b)(3) Registration No. 333-264675 PROSPECTUS SUPPLEMENT NO. 9 (TO PROSPECTUS DATED May 16, 2022) IMPERIAL PETROLEUM INC. This is a supplement (?Prospectus Supplement?) to the prospectus, dated May 16, 2022 (?Prospectus?) of Imperial Petroleum Inc. (the ?Company?), which forms a part of the Company?s Registration Statement on Form F-1 (Registration No. 333-264675), as ame

September 16, 2022 EX-99.1

IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. ANNOUNCES ADJOURNMENT OF ANNUAL MEETING OF STOCKHOLDERS

EX-99.1 2 d374635dex991.htm EX-99.1 Exhibit 99.1 IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. ANNOUNCES ADJOURNMENT OF ANNUAL MEETING OF STOCKHOLDERS Athens, Greece, September 14, 2022 – Imperial Petroleum Inc. (Nasdaq: IMPP) (the “Company”) today announced that the Annual Meeting of Shareholders of the Company convened on September 14, 2022 has been adjourned, due to lack of requisite quorum,

September 16, 2022 EX-99.2

IMPERIAL PETROLEUM INC. 331 Kifissias Avenue Erithrea 14561 Athens, Greece NOTICE OF ADJOURNED 2022 ANNUAL MEETING OF STOCKHOLDERS To Be Held On Thursday, October 13, 2022

Exhibit 99.2 IMPERIAL PETROLEUM INC. 331 Kifissias Avenue Erithrea 14561 Athens, Greece NOTICE OF ADJOURNED 2022 ANNUAL MEETING OF STOCKHOLDERS To Be Held On Thursday, October 13, 2022 NOTICE IS HEREBY GIVEN that the 2022 Annual Meeting of Stockholders of Imperial Petroleum Inc., a corporation incorporated in the Republic of the Marshall Islands, convened on September 14, 2022, has been adjourned,

September 16, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2022 Commission File Number 001-4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2022 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant?s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of principal

September 14, 2022 424B3

IMPERIAL PETROLEUM INC.

Table of Contents Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-262264 and 333-262421 PROSPECTUS SUPPLEMENT NO. 8 (TO PROSPECTUS DATED April 8, 2022) IMPERIAL PETROLEUM INC. This is a supplement (?Prospectus Supplement?) to the prospectus, dated April 8, 2022 (?Prospectus?) of Imperial Petroleum Inc. (the ?Company?), which forms a part of the Company?s Registration Statements on Form F-1

September 14, 2022 424B3

IMPERIAL PETROLEUM INC.

Table of Contents Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-263593 and 333-263725 PROSPECTUS SUPPLEMENT NO. 9 (TO PROSPECTUS DATED April 8, 2022) IMPERIAL PETROLEUM INC. This is a supplement (?Prospectus Supplement?) to the prospectus, dated April 8, 2022 (?Prospectus?) of Imperial Petroleum Inc. (the ?Company?), which forms a part of the Company?s Registration Statements on Form F-1

September 14, 2022 424B3

IMPERIAL PETROLEUM INC.

Table of Contents Filed Pursuant to Rule 424(b)(3) Registration No. 333-266031 PROSPECTUS SUPPLEMENT NO. 2 (TO PROSPECTUS DATED JULY 15, 2022) IMPERIAL PETROLEUM INC. This is a supplement (?Prospectus Supplement?) to the prospectus, dated July 15, 2022 (?Prospectus?) of Imperial Petroleum Inc. (the ?Company?), which forms a part of the Company?s Registration Statement on Form F-1 (Registration No.

September 14, 2022 424B3

IMPERIAL PETROLEUM INC.

Table of Contents Filed Pursuant to Rule 424(b)(3) Registration No. 333-264675 PROSPECTUS SUPPLEMENT NO. 8 (TO PROSPECTUS DATED May 16, 2022) IMPERIAL PETROLEUM INC. This is a supplement (?Prospectus Supplement?) to the prospectus, dated May 16, 2022 (?Prospectus?) of Imperial Petroleum Inc. (the ?Company?), which forms a part of the Company?s Registration Statement on Form F-1 (Registration No. 3

September 14, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2022 Commission File Number 001-4

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2022 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant?s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Add

September 14, 2022 EX-99.1

IMPERIAL PETROLEUM INC MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Exhibit 99.1 IMPERIAL PETROLEUM INC MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS The following is a discussion of our financial condition and results of operations for the six-month period ended June 30, 2022. Unless otherwise specified herein, references to the “Company” or “we” shall include Imperial Petroleum Inc. and its subsidiaries. You should read th

August 5, 2022 EX-99.1

IMPERIAL PETROLEUM INC. 331 Kifissias Avenue Erithrea 14561 Athens, Greece

EX-99.1 2 d343326dex991.htm EX-99.1 Exhibit 99.1 IMPERIAL PETROLEUM INC. 331 Kifissias Avenue Erithrea 14561 Athens, Greece August 3, 2022 Dear Stockholder: You are cordially invited to attend the 2022 Annual Meeting of Stockholders of Imperial Petroleum Inc., which will be held on Wednesday, September 14, 2022 at 11:00 a.m. Greek local time at the Company’s offices at 331 Kifissias Avenue, Erithr

August 5, 2022 EX-99.2

For All

Exhibit 99.2 IMPERIAL PETROLEUM INC. 331 KIFISSIAS AVE. 14561 ATHENS, GREECE VOTE BY INTERNET - www.proxyvote.com or scan the QR Barcode above Use the Internet to transmit your voting instructions and for electronic delivery of information up until 11:59 P.M. Eastern Time the day before the cut-off date or meeting date. Follow the instructions to obtain your records and to create an electronic vot

August 5, 2022 EX-99.3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON D.C. 20549 FORM 20-F

EX-99.3 4 d343326dex993.htm EX-99.3 Exhibit 99.3 Imperial Petroleum Inc. ANNUAL REPORT 2021 COMPANY PROFILE Imperial Petroleum Inc. is a ship-owning company providing petroleum products and crude oil seaborne transportation services. Imperial Petroleum Inc. became an independent listed Company on December 3, 2021 following the spin- off of StealthGas’ four tankers. As of June 15 2022, the Company

August 5, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2022 Commission File Number 001-4109

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2022 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant?s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of principal exe

July 27, 2022 424B3

IMPERIAL PETROLEUM INC.

Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-262264 and 333-262421 PROSPECTUS SUPPLEMENT NO. 7 (TO PROSPECTUS DATED April 8, 2022) IMPERIAL PETROLEUM INC. This is a supplement (?Prospectus Supplement?) to the prospectus, dated April 8, 2022 (?Prospectus?) of Imperial Petroleum Inc. (the ?Company?), which forms a part of the Company?s Registration Statements on Form F-1 (Registration Nos.

July 27, 2022 EX-99.1

IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. REPORTS SECOND QUARTER AND SIX MONTHS 2022 FINANCIAL AND OPERATING RESULTS

Exhibit 99.1 IMPERIAL PETROLEUM INC. IMPERIAL PETROLEUM INC. REPORTS SECOND QUARTER AND SIX MONTHS 2022 FINANCIAL AND OPERATING RESULTS ATHENS, GREECE, July 27, 2022 - IMPERIAL PETROLEUM INC. (NASDAQ: IMPP, the “Company”), a ship-owning company providing petroleum products, crude oil and dry bulk seaborne transportation services, announced today its unaudited financial and operating results for th

July 27, 2022 424B3

IMPERIAL PETROLEUM INC.

424B3 1 d302422d424b3.htm 424B3 Filed Pursuant to Rule 424(b)(3) Registration No. 333-264675 PROSPECTUS SUPPLEMENT NO. 7 (TO PROSPECTUS DATED May 16, 2022) IMPERIAL PETROLEUM INC. This is a supplement (“Prospectus Supplement”) to the prospectus, dated May 16, 2022 (“Prospectus”) of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement on Form F-1 (Regi

July 27, 2022 424B3

IMPERIAL PETROLEUM INC.

424B3 1 d302422d424b3.htm 424B3 Filed Pursuant to Rule 424(b)(3) Registration No. 333-266031 PROSPECTUS SUPPLEMENT NO. 1 (TO PROSPECTUS DATED JULY 15, 2022) IMPERIAL PETROLEUM INC. This is a supplement (“Prospectus Supplement”) to the prospectus, dated July 15, 2022 (“Prospectus”) of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement on Form F-1 (Re

July 27, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2022 Commission File Number 001-41095

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2022 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Greece (Address of principal execu

July 27, 2022 424B3

IMPERIAL PETROLEUM INC.

424B3 1 d302422d424b3.htm 424B3 Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-263593 and 333-263725 PROSPECTUS SUPPLEMENT NO. 8 (TO PROSPECTUS DATED April 8, 2022) IMPERIAL PETROLEUM INC. This is a supplement (“Prospectus Supplement”) to the prospectus, dated April 8, 2022 (“Prospectus”) of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement

July 15, 2022 424B3

31,150,000 Shares of Common Stock IMPERIAL PETROLEUM INC.

Table of Contents Filed Pursuant to Rule 424(b)(3) Registration No. 333-266031 PROSPECTUS 31,150,000 Shares of Common Stock IMPERIAL PETROLEUM INC. This prospectus relates to the resale, from time to time, of up to 31,150,000 shares of common stock of Imperial Petroleum Inc. (referred to herein as “we”, “us”, “Imperial Petroleum” or the “Company”), being offered by the selling stockholders identif

July 13, 2022 CORRESP

Imperial Petroleum Inc. 331 Kifissias Avenue Erithrea 14561 Athens, Greece

Imperial Petroleum Inc. 331 Kifissias Avenue Erithrea 14561 Athens, Greece July 13, 2022 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance Office of Energy & Transportation 100 F Street, N.E. Washington, D.C. 20549 Attn: Arthur Tornabene-Zalas Irene Barberena-Meissner Re: Imperial Petroleum Inc. Registration Statement on Form F-1 (File No. 333-266031) Request for Ac

July 6, 2022 EX-21.1

Significant Subsidiaries of Imperial Petroleum Inc.

EX-21.1 3 d720328dex211.htm EX-21.1 Exhibit 21.1 Subsidiaries Company Country of Incorporation Clean Power Inc. Liberia King Of Hearts Inc. Liberia Mr. Roi Inc. Marshall Islands Tankpunk, Inc. Marshall Islands Nirvana Product Trading Inc. Marshall Islands Volume Jet Trading Inc. Marshall Islands Petroleum Trading And Shipping Inc. Marshall Islands Intercontinental Crude And Product Enterprises Inc

July 6, 2022 F-1

As filed with the U.S. Securities and Exchange Commission on July 6, 2022.

Table of Contents As filed with the U.S. Securities and Exchange Commission on July 6, 2022. Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 Form F-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Imperial Petroleum Inc. (Exact name of registrant as specified in its charter) Republic of the Marshall Islands 4412 N/A (State or other jurisdiction

July 6, 2022 EX-FILING FEES

Filing Fee Table

EX-FILING FEES Exhibit 107 Calculation of Filing Fee Tables Form F-1 (Form Type) Imperial Petroleum Inc.

June 24, 2022 424B3

IMPERIAL PETROLEUM INC.

424B3 1 d353350d424b3.htm 424B3 Filed Pursuant to Rule 424(b)(3) Registration Nos. 333-262264 and 333-262421 PROSPECTUS SUPPLEMENT NO. 6 (TO PROSPECTUS DATED April 8, 2022) IMPERIAL PETROLEUM INC. This is a supplement (“Prospectus Supplement”) to the prospectus, dated April 8, 2022 (“Prospectus”) of Imperial Petroleum Inc. (the “Company”), which forms a part of the Company’s Registration Statement

June 24, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2022 Commission File Number 001-41095

6-K 1 d353350d6k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2022 Commission File Number 001-41095 IMPERIAL PETROLEUM INC. (Translation of registrant’s name into English) 331 Kifissias Avenue Erithrea 14561 Athens, Gree

June 24, 2022 424B3

IMPERIAL PETROLEUM INC.

Filed Pursuant to Rule 424(b)(3) Registration No. 333-264675 PROSPECTUS SUPPLEMENT NO. 6 (TO PROSPECTUS DATED May 16, 2022) IMPERIAL PETROLEUM INC. This is a supplement (?Prospectus Supplement?) to the prospectus, dated May 16, 2022 (?Prospectus?) of Imperial Petroleum Inc. (the ?Company?), which forms a part of the Company?s Registration Statements on Form F-1 (Registration No. 333-264675), as am

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